// 云函数入口文件
const cloud = require('wx-server-sdk')

cloud.init()
const db=cloud.database()
// 云函数入口函数
exports.main = async (event, context) => {
 
  const _id=event._id;
  let result=await cloud.deleteFile({
    fileList: event.regis.images
  })
  await db.collection("regest_cache").doc(_id).remove()
  return result
}